... Rizhao County in order to release the shortage of iodine for national defense purpose. In 1969, the Chemical ... Alginate, Alginate, PGA, natural extracted Mannitol, Iodine, Fucoidan, Chitosan Oligosaacharide, various printing thickeners, seaweed animal feed additives. The ... has been cover more than 30 countries and districts in Asia, Europe, America and Africa. sodium alginate for printing and dyeing